/Engine/Source/Editor/BlueprintGraph/Classes/EdGraphSchema_K2_Actions.h
Returns an opaque handle that can be used to confirm that two different persistent entries backing actions are part of the same section/category (e.g., both are variables in the same Blueprint)
virtual [FEdGraphSchemaActionDefiningObject](API\Runtime\Engine\EdGraph\FEdGraphSchemaActionDefiningObje-) GetPersistentItemDefiningObject() const